could outrival
Regular verb: outrival - outrivaled- outrivaled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could outrival
you could outrival
she could outrival
we could outrival
you could outrival
they could outrival 	I could be outrivaling
you could be outrivaling
she could be outrivaling
we could be outrivaling
you could be outrivaling
they could be outrivaling	I could have outrivaled
you could have outrivaled
she could have outrivaled
we could have outrivaled
you could have outrivaled
they could have outrivaled	I could have been outrivaling
you could have been outrivaling
she could have been outrivaling
we could have been outrivaling
you could have been outrivaling
they could have been outrivaling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not outrival
you could not outrival
she could not outrival
we could not outrival
you could not outrival
they could not outrival 	I could not be outrivaling
you could not be outrivaling
she could not be outrivaling
we could not be outrivaling
you could not be outrivaling
they could not be outrivaling	I could not have outrivaled
you could not have outrivaled
she could not have outrivaled
we could not have outrivaled
you could not have outrivaled
they could not have outrivaled	I could not have been outrivaling
you could not have been outrivaling
she could not have been outrivaling
we could not have been outrivaling
you could not have been outrivaling
they could not have been outrivaling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I outrival?
could you outrival?
could she outrival?
could we outrival?
could you outrival?
could they outrival? 	could I be outrivaling?
could you be outrivaling?
could she be outrivaling?
could we be outrivaling?
could you be outrivaling?
could they be outrivaling? 	could I have outrivaled?
could you have outrivaled?
could she have outrivaled?
could we have outrivaled?
could you have outrivaled?
could they have outrivaled? 	could I have been outrivaling?
could you have been outrivaling?
could she have been outrivaling?
could we have been outrivaling?
could you have been outrivaling?
could they have been outrivaling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not outrival?
could you not outrival?
could she not outrival?
could we not outrival?
could you not outrival?
could they not outrival? 	could I not be outrivaling?
could you not be outrivaling?
could she not be outrivaling?
could we not be outrivaling?
could you not be outrivaling?
could they not be outrivaling? 	could I not have outrivaled?
could you not have outrivaled?
could she not have outrivaled?
could we not have outrivaled?
could you not have outrivaled?
could they not have outrivaled? 	could I not have been outrivaling?
could you not have been outrivaling?
could she not have been outrivaling?
could we not have been outrivaling?
could you not have been outrivaling?
could they not have been outrivaling?